package com.sen.gulimall.ware.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * @ClassName: MybatisPlusConfig
 * @Title: gulimall
 * @Package: com.sen.gulimall.ware.config
 * @Description:
 * @Author: Kisen
 * @Date: 2022/3/13 17:40
 */
@EnableTransactionManagement
@MapperScan("com.sen.gulimall.ware.dao")
@Configuration
public class MybatisPlusConfig {


    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();

        PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor(DbType.H2);
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
        paginationInnerInterceptor.setOverflow(true);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        paginationInnerInterceptor.setMaxLimit(1000L);
        // 开启 count 的 join 优化,只针对部分 left join
        paginationInnerInterceptor.setOptimizeJoin(true);

        interceptor.addInnerInterceptor(paginationInnerInterceptor);
        return interceptor;
    }

}
